References
1) Jacob, M (1989)Safe Food Handling. A Training guide for manager. WHO Geneva, Marriott, N.G (1989).
2) Principles of Food Sanitation-II Edition. AVI Book. Van Nostrand Reinhold, New York.
1) Hobbs, B.C and R.J Gilbert (1978). Food Poisoning and Food Hygiene. 4th edition. The English language book society and Edward Arnold (publisher)Ltd
2) Longree, K(1967). Quantity Food Sanitation Interscience Publishers, New York
3) Kawata, K. (1983) Enviromental Sanitation in India. Lucknow Publishing House.
4) Minor, L.J.(1983) Sanitation, Safety and Environmental Standards AVI. Publishing Co. Westport, Connecticut.